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Long-term persistence and cross-wavelet transform analysis of solar filament activity
An, Jianmei1; Cai YF(蔡云芳)2; Qi, Yi1; Zuo, Yongyan1; Wang, Xianping1; Qi, Yi (qy0111@126.com)
会议录名称Proceedings of SPIE -Tenth International Conference on Digital Image Processing, ICDIP 2018
2018
卷号10806
DOI10.1117/12.2503327
产权排序2
收录类别EI
会议名称10th International Conference on Digital Image Processing, ICDIP 2018
会议日期2018-05-11
会议地点Shanghai, China
摘要

Solar time series analysis is one of the most important topics in statistical astrophysics, which aims at revealing the complex dynamical behavior of long-term solar magnetic activity. In this work, several statistical analysis techniques are combined to study the long-term persistence and phase relationship of monthly filament activity between the low latitudes and the high latitudes during the time period from 1957 April to 2010 June. Based on these advanced analysis approaches, the following remarkable results are found: (1) solar filament activity at the low latitudes lags behind that at the high latitudes with a phase shift of 40 months, and the largest positive coefficient is found to be 0.35; (2) solar filament activity at both the low and the high latitudes exhibits a strong long-term persistence behavior, that is, their nonlinear dynamical behavior could not be regarded as stochastic phenomenon; (3) the relative phase relationships between the low latitudes and the high latitudes are not in phase for the studied periodic scales, but they are coherent in the periods of 10-14 years. To sum up, the analysis results could give more useful information on our understanding the solar and the stellar dynamo theory, and also provide some crucial roles of solar magnetic activity variations.

项目资助者International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing ; International Association of Computer Science and Information Technology ; Shanghai Key Laboratory of Multidimensional Information Processing
语种英语
学科领域太阳与太阳系
文章类型Conference article (CA)
出版者The International Society for Optical Engineering
ISBN号ISBN-13: 9781510621992
ISSN号0277-786X
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文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/17407
专题抚仙湖太阳观测站
通讯作者Qi, Yi (qy0111@126.com)
作者单位1.School of Software Engineering, Chongqing University of Arts and Sciences, Chongqing; 402160, China
2.Yunnan Observatories, Chinese Academy of Sciences, Kunming; 650216, China
推荐引用方式
GB/T 7714
An, Jianmei,Cai YF,Qi, Yi,et al. Long-term persistence and cross-wavelet transform analysis of solar filament activity[C]:The International Society for Optical Engineering,2018.
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